/* Reset */
* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
  font-family: "Poppins", Arial, sans-serif;
  background: linear-gradient(135deg, #0a192f, #112d4e, #e6f0fa);
  background-size: 400% 400%;
  animation: gradientShift 20s ease infinite;
  color: #f1f6fb;
  line-height: 1.6;
  min-height: 100vh;
  text-align: center;
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.container { width: 90%; max-width: 1200px; margin: 0 auto; }

/* Header */
header {
  background: rgba(10, 25, 47, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-container {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1rem 0;
}
.brand-name { font-weight: 700; font-size: 1.5rem; color: #00b4d8; }
.brand-handle { font-size: 1rem; color: #90e0ef; }
.navlinks a {
  margin-left: 1.5rem; text-decoration: none;
  color: #f1f6fb; font-weight: 500; transition: color 0.3s;
}
.navlinks a:hover, .navlinks a.active { color: #00b4d8; }

/* Hero section */
.hero { padding: 4rem 0; }
.hero-grid {
  display: flex; justify-content: center; align-items: center;
  gap: 2rem; flex-wrap: wrap;
}
.hero-image img {
  width: 250px; height: 250px; border-radius: 50%;
  object-fit: cover;
  border: 4px solid #00b4d8;
  box-shadow: 0 6px 20px rgba(0,0,0,0.5);
  transition: transform 0.3s;
}
.hero-image img:hover { transform: scale(1.05); }
.hero-text h1 { font-size: 2.7rem; margin-bottom: 1rem; color: #f1f6fb; }
.hero-text p {
  max-width: 650px; margin: 0 auto 2rem;
  color: #dceefc; font-size: 1.1rem;
}
.cta {
  display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap;
}

/* Buttons */
.btn {
  padding: 0.8rem 1.6rem; border-radius: 30px;
  text-decoration: none; font-weight: 600;
  transition: 0.3s; font-size: 1rem;
}
.btn-primary {
  background: #00b4d8; color: #fff;
  box-shadow: 0 4px 12px rgba(0,180,216,0.4);
}
.btn-primary:hover { background: #0096c7; }
.btn-ghost {
  border: 2px solid #00b4d8; color: #00b4d8;
}
.btn-ghost:hover { background: #00b4d8; color: #0a192f; }

/* Skills Section */
section { padding: 4rem 0; }
section h2 {
  font-size: 2rem; margin-bottom: 2rem;
  color: #f1f6fb; text-align: center;
}
.skills-grid {
  display: grid; gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.skill-card {
  background: rgba(255,255,255,0.08);
  border-radius: 15px; padding: 2rem 1rem;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0,0,0,0.3);
  transition: transform 0.3s, background 0.3s;
}
.skill-card:hover {
  transform: translateY(-8px);
  background: rgba(255,255,255,0.15);
}
.skill-card h3 {
  margin-bottom: 0.5rem; color: #90e0ef; font-size: 1.3rem;
}
.skill-card p { font-size: 0.95rem; color: #caf0f8; }

/* Footer */
footer {
  text-align: center; padding: 2rem 0;
  color: #8ce2f1;
  border-top: 1px solid rgba(255,255,255,0.1);
  background: rgba(10, 25, 47, 0.85);
  backdrop-filter: blur(8px);
}

/* Responsive */
@media (max-width: 768px) {
  .nav-container { flex-direction: column; gap: 1rem; }
  .navlinks a { margin: 0 0.8rem; }
  .hero-text h1 { font-size: 2rem; }
  .hero-text p { font-size: 1rem; }
}